S-group Dialog

In the S-group dialog, you can create a repeating unit, an SRU polymer, a link node, or a copolymer. It is also possible to change the repeat pattern and the label of these substructural groups.

Repeat Pattern Values

• (ht): Head-to-tail (not displayed on the canvas).
• hh: Head-to-head.
• eu: Either/unknown.

Label Values

• Number (for example, 3).
• Range (for example, 5–8).
• Lowercase letters (a–z except for c and f).
• Co for copolymers.